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Non-commutative rings and algebras, non-associative algebras. Can be used in combination with ra.rings-and-algebras

31 votes
2 answers
1k views

How to make the Capelli's identity less mysterious?

The formulation of the Capelli's identity is very elementary; it has important applications in invariant theory and representation theory, see http://en.wikipedia.org/wiki/Capelli%27s_identity To rem …
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11 votes
1 answer
738 views

Determinants of octonionic hermitian matrices

For quaternionic hermitian matrices (i.e. quaternionic square matrices $(a_{ij})$ satisfying $a_{ji}=\bar a_{ij}$) there is a nice notion of (Moore) determinant which can be defined as follows. Firs …
asv's user avatar
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